Andrew Dixon on Radiopaedia.org

Andrew Dixon

MBBS (Hons) FRANZCR

Andrew is a Consultant Radiologist at the Alfred Hospital in Melbourne, Australia. He has primary subspecialty expertise in neuroradiology, with secondary interests in musculoskeletal imaging and trauma radiology. 

He is a keen radiology educator, having achieved international recognition for his courses including Radiopaedia's Trauma Radiology Course, Emergency Radiology Course and Medical Imaging Anatomy Course. He founded the Radiology Channel on YouTube.

He is currently Radiopaedia's academic director and was co-convenor of the Radiopaedia Virtual Conference in 2020, 2021, 2022 and 2023. His favourite emoji is 🍍

Andrew is a director of Radiopedia Events Pty Ltd

Disclosures:
  • Nothing to disclose
315 results
Question

Question 1174

Lateral knee radiograph in a 12-year-old male with anterior knee pain. Which is the single best diagnosis? 

Question

Question 1180

A 40-year-old female is investigated with an MRI brain for headaches. Bilateral thin subdural fluid collections isointense to CSF, smooth pachymeningeal enhancement and distension of the dural venous sinuses is observed. Which is the most likely diagnosis?

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Question 1181

What Couinaud liver segment is highlighted in yellow? 

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Question 1182

What Couinaud liver segment is highlighted in green? 

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Question 1183

What Couinaud liver segment is highlighted in pink? 

Question

Question 1184

What Couinaud liver segment is highlighted? 

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Question 1185

What Couinaud liver segment is highlighted? 

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Question 1186

What Couinaud liver segment is highlighted? 

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Question 1187

What Couinaud liver segment is highlighted? 

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Question 1188

What Couinaud liver segment is highlighted?

Question

Question 1190

Which is NOT true of the medial meniscus of the knee?

Question

Question 1191

Which is LEAST LIKELY to have an attachment to the lateral meniscus of the knee? 

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Question 1192

Which is NOT true of discoid menisci of the knee? 

Question

Question 1193

Which is NOT true regarding meniscal flounce?

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Question 1194

Axial CT image of the head in an 80 year old male. What is the most likely cause for this skull appearance? 

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Question 1208

A 50-year-old male is investigated with MRI and found to have a solitary 6 cm enhancing carotid space mass. It displaces the internal carotid artery medially while the internal jugular vein remains lateral to the mass. It is well-defined with cystic areas. Which is the most likely diagnosis?  

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Question 1209

All are potential causes of abnormal enhancement at the geniculate ganglion of the facial nerve EXCEPT

Question

Question 1211

Which is FALSE regarding idiopathic orbital inflammation (orbital pseudotumour)?

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Question 1212

Which diagnosis is most strongly suggested on this axial T2 fat-saturated image?

Question

Question 1213

This 45-year-old woman presented with left proptosis and an MRI was performed. What is the most likely diagnosis? 

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